Home / 16,856,909.80-23,262,596.90-9,121,951.42

Finding the Fourth Proportional to 16,856,909.80, 23,262,596.90 and 9,121,951.42

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Solution

The fourth proportional to 16,856,909.80, 23,262,596.90 and 9,121,951.42 is: 12,588,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856,909.80 : 23,262,596.90 = 9,121,951.42 : x
  2. Step 2: Convert to fraction form
    16,856,909.80/23,262,596.90 = 9,121,951.42/x
  3. Step 3: Cross multiply
    16,856,909.80x = 23,262,596.90 × 9,121,951.42
  4. Step 4: Simplify right side
    16,856,909.80x = 212,200,278,824,842.59
  5. Step 5: Solve for x
    x = 212,200,278,824,842.59/16,856,909.80
  6. Step 6: Final answer
    x = 12,588,326.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.